3 years ago

Why are aftershocks dangerous to buildings after a large earthquake

Physics

1 answer:

Katen [24]3 years ago

6 0

because the building are weaker and they are most likley to fall

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A circuit contains two resistors in series. The voltage drop across the first is 10 V. The voltage drop across the second is als

Norma-Jean [14]

Hi there!

Voltage in a series can be expressed by the following:

$V_T = V_1 + V_2$

In words, the total voltage is equal to the sum of the individual voltage drops in a SERIES circuit.

We can solve for the total voltage:

$V_T = 10 + 10 = \boxed{\text{ D. 20 V}}$

6 0

2 years ago

What is the mass of an atom that has 2 protons, 3 neutrons, and 2 electrons

marusya05 [52]

You can find the mass of an atom by adding the number of protons and neutrons. In this case the atom has 2 protons and 3 neutrons so the mass is 5.

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3 years ago

An electrical power plant manages to send 88% of the heat produced in the burning of fossil fuel into the water-to-steam convers

Naya [18.7K]

Answer:

Explanation:

Let the x represent the amount of heat generated from the fossil fuel.

88% of x = 0.88 x

0.88 x was used to convert water to steam.

heat carried by steam = 40% × 0.88 x = 0.352 x

efficiency of the heat -to- work conversion = work output / work input = 0.352 x / x = 0.352 × 100 = 35.2 % which is less than 40 %

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3 years ago

How many electrons have been removed from a positively charged electroscope if it has a net charge of 6x10-11?

oksano4ka [1.4K]

Answer:

is it the ans you are looking for

5 0

3 years ago

Please answer ASAP .

Arisa [49]

Answer:

Explanation:

a = gsinθ

a = 9.8sin30

a = 4.9 m/s²

v² = u² + 2as

v² = 0² + 2(4.9)(10)

v² = 98

v = √98 = 9.8994949...

v = 9.9 m/s

8 0

3 years ago